2543353805078 has 16 divisors (see below), whose sum is σ = 3846183903744. Its totient is φ = 1261298304000.

The previous prime is 2543353805033. The next prime is 2543353805119. The reversal of 2543353805078 is 8705083533452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570173 + ... + 2326328.

It is an arithmetic number, because the mean of its divisors is an integer number (240386493984).

Almost surely, 2^{2543353805078} is an apocalyptic number.

2543353805078 is a deficient number, since it is larger than the sum of its proper divisors (1302830098666).

2543353805078 is a wasteful number, since it uses less digits than its factorization.

2543353805078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900087.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 2543353805078 in words is "two trillion, five hundred forty-three billion, three hundred fifty-three million, eight hundred five thousand, seventy-eight".